Ingredient comparison

Kojic Acid vs Vitamin C (LAA): which one is right for your skin?

Short answer: Honestly, either one works. Choose by your skin type and what your routine already has.

Chemical structure of Kojic Acid (Kojic Acid)Kojic AcidSolid and proven
Chemical structure of Vitamin C (LAA) (Ascorbic Acid)Vitamin C (LAA)Worth paying for
8
Efficacy
9
0
Hydration
1
0
Barrier
2
9
Brightening
10
1
Acne
3
2
Anti-aging
7
Kojic Acid versus Vitamin C (LAA), compared
ComparedKojic AcidVitamin C (LAA)
PotencySimilarSimilar
Evidencemoderate evidencestrong evidence
Irritation riskModerateModerate
Clogs poresLowLow
In pregnancyAsk your doctorAsk your doctor
pH-dependentNoNeeds the right pH
On a labelusually effective at 1-2%Not usually disclosed

So which should you pick?

Choose Kojic Acid if

  • you would rather it just work, without depending on the product being at the right pH

Choose Vitamin C (LAA) if

  • fine lines and firmness are your main goal
  • you want the pick with the most research behind it

The honest bottom line: Honestly, either one works. Choose by your skin type and what your routine already has.

Better for your concern

  • Dark spots and uneven toneEither
  • Fine lines and firmnessVitamin C (LAA)

Based on their scores in the knowledge base. "Either" means both hold their own for that goal.

Kojic Acid vs Vitamin C (LAA), answered

Which is stronger, Kojic Acid or Vitamin C (LAA)?

They are close in strength: Kojic Acid and Vitamin C (LAA) score similarly on efficacy. Choose by skin type rather than power.

Is Kojic Acid or Vitamin C (LAA) better for sensitive skin?

Both carry a similar irritation risk (moderate). Patch test either one before using it daily.

Can you use Kojic Acid and Vitamin C (LAA) together?

They have a known interaction. See our can-you-mix page for the verdict and how to use them.

General guidance, not medical advice. Read the full pages on Kojic Acid and Vitamin C (LAA).